But the L.A. ban extended further than city workplaces with bans in place for bars, restaurants, and parks. In New York, e-cigarette smokers cannot vape anywhere where conventional smoking is also banned, and in Chicago, there’s an indoor smoking ban in place. Smaller cities have also taken up the issue, and it’s expected that more cities will consider similar bans.

Health Canada, the government’s public health department, advised Canadians not to buy e-cigarettes as long ago as 2009, CTV News reports, but there are no formal prohibitions on the sale of e-cigarettes unless they are “expressly intended” for nicotine delivery. That allows many retailers to circumvent a crackdown by regulators.

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